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#This file is part of Tryton. The COPYRIGHT file at the top level of
#this repository contains the full copyright notices and license terms.
from trytond.model.fields.field import Field
from trytond.pyson import PYSON
def digits_validate(value):
if value:
assert isinstance(value, tuple), 'digits must be a tuple'
for i in value:
assert isinstance(i, (int, long, PYSON)), \
'digits must be tuple of integers or PYSON'
if isinstance(i, PYSON):
assert i.types().issubset(set([int, long])), \
'PYSON digits must return an integer'
class Float(Field):
'''
Define a float field (``float``).
'''
_type = 'float'
def __init__(self, string='', digits=None, help='', required=False,
readonly=False, domain=None, states=None, change_default=False,
select=False, on_change=None, on_change_with=None, depends=None,
order_field=None, context=None, loading='eager'):
'''
:param digits: a list of two integers defining the total
of digits and the number of decimals of the float.
'''
super(Float, self).__init__(string=string, help=help,
required=required, readonly=readonly, domain=domain,
states=states, change_default=change_default, select=select,
on_change=on_change, on_change_with=on_change_with,
depends=depends, order_field=order_field, context=context,
loading=loading)
self.__digits = None
self.digits = digits
__init__.__doc__ += Field.__init__.__doc__
def _get_digits(self):
return self.__digits
def _set_digits(self, value):
digits_validate(value)
self.__digits = value
digits = property(_get_digits, _set_digits)
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